APA (7th ed.) Citation

American Horticultural Society, Keough, J. S., Powell, J., & Ellis, B. W. (1982). North American horticulture: A reference guide. Scribner.

Chicago Style (17th ed.) Citation

American Horticultural Society, Jane S. Keough, Judy Powell, and Barbara W. Ellis. North American Horticulture: A Reference Guide. New York: Scribner, 1982.

MLA (9th ed.) Citation

American Horticultural Society, et al. North American Horticulture: A Reference Guide. Scribner, 1982.